By Chris Howie
MMANEWS.COM Staff Writer
Although it wasn't set in stone it was expected that UFC 137 would be the last appearance for Mirko “Cro Cop” Filopovic.
The Croatian had hinted at retirement in the lead up to Saturday's pay-per-view but following a loss at the hands of Roy Nelson, Cro Cop made it official.
“I told before this fight this was going to be my farewell fight. Unfortunately, I didn